GPU model | Vega 20 | Ellesmere |
---|---|---|
GPU variant | Vega 20 GLXT | Polaris 10 XT (215-0876184) |
Architecture | GCN 5.1 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 7 nm | 14 nm |
Number of transistors | 13,230 million | 5,700 million |
Die size | 331 mm² | 232 mm² |
Release date | Nov 18th, 2018 | Jun 29th, 2016 |
---|---|---|
Generation | Radeon Instinct | Polaris |
Production | Active | Active |
Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
Launch price | — | 229 USD |
Reviews | — | 52 in our database |
Predecessor | — | Arctic Islands |
Successor | — | Vega |
Base clock | 1200 MHz | 1120 MHz |
---|---|---|
Boost clock | 1746 MHz | 1266 MHz |
Memory clock | 1000 MHz 2 Gbps effective | 2000 MHz 8 Gbps effective |
Memory size | 16 GB | 8 GB |
---|---|---|
Memory type | HBM2 | GDDR5 |
Memory bus width | 4096 bit | 256 bit |
Bandwidth | 1,024 GB/s | 256.0 GB/s |
Shading units | 3840 | 2304 |
---|---|---|
TMUs | 240 | 144 |
ROPs | 64 | 32 |
Compute units | 60 | 36 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 4 MB | 2 MB |
Pixel rate | 111.7 GPixel/s | 40.51 GPixel/s |
---|---|---|
Texture rate | 419.0 GTexel/s | 182.3 GTexel/s |
FP16 (half) performance | 26.82 TFLOPS (2:1) | 5.834 TFLOPS (1:1) |
FP32 (float) performance | 13.41 TFLOPS | 5.834 TFLOPS |
FP64 (double) performance | 6.705 TFLOPS (1:2) | 364.6 GFLOPS (1:16) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 267 mm 10.5 inches | 241 mm 9.5 inches |
TDP | 300 W | 150 W |
Suggested PSU | 700 W | 450 W |
Outputs | 1x mini-DisplayPort | 1x HDMI3x DisplayPort |
Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin |
Board number | — | C940, D009-04 |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |